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公开(公告)号：US10197948B2
公开(公告)日：2019-02-05
申请号：US15511291
申请日：2015-08-31
申请人： Hitoshi Iwatsuki , Koichi Sakata , Hiroshi Tohmatsu , Toyoaki Tano , Kenichi Mashiko , Mariko Takii , Hiroyuki Kishida , Yoshihiro Murasawa , Keinosuke Kondoh , Toshio Koike , Yutaka Takahashi
发明人： Hitoshi Iwatsuki , Koichi Sakata , Hiroshi Tohmatsu , Toyoaki Tano , Kenichi Mashiko , Mariko Takii , Hiroyuki Kishida , Yoshihiro Murasawa , Keinosuke Kondoh , Toshio Koike , Yutaka Takahashi
摘要： A developing device, including: a developer containing toner and carrier; and developer bearer configured to have surface thereof bear the developer and endlessly move, and to develop latent image over surface of latent image bearer by supplying toner in developer to latent image in developing region facing the latent image bearer, wherein carrier contains fine particles, value X in volume resistivity R (=10X) (Ω·cm) of carrier is 11.5-16.0, developer bearer includes: magnetic field generating unit including a plurality of magnetic poles; and developing sleeve having a cylindrical shape enclosing magnetic field generating unit, and configured to bear developer over outer circumferential surface of cylindrical shape by magnetic force of the magnetic field generating unit and perform surface moving by rotating relative to developing device body, and developing device includes developing sleeve voltage applying unit configured to apply AC component-containing voltage to developing sleeve.
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公开(公告)号：US10067438B2
公开(公告)日：2018-09-04
申请号：US15522306
申请日：2015-09-29
申请人： Yoshihiro Murasawa , Hiroshi Tohmatsu , Hitoshi Iwatsuki , Mariko Takii , Koichi Sakata , Hiroyuki Kishida , Toyoaki Tano , Kenichi Mashiko
发明人： Yoshihiro Murasawa , Hiroshi Tohmatsu , Hitoshi Iwatsuki , Mariko Takii , Koichi Sakata , Hiroyuki Kishida , Toyoaki Tano , Kenichi Mashiko
CPC分类号： G03G9/1075 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G9/0902 , G03G9/113 , G03G9/1131 , G03G9/1139
摘要： Provided is an electrostatic latent image developing white toner, including: a white toner including at least a binder resin, a white pigment, and a release agent; and a magnetic carrier including at least a core material, and a coating layer coating the core material and made of a coating resin and conductive particles, wherein Ra of the magnetic carrier is in a range of from 0.50 μm to 1.00 μm, and a bulk density of the magnetic carrier is in a range of from 2.08 g/cm3 to 2.24 g/cm3.
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3.发明申请CARRIER FOR DEVELOPING AN ELECTROSTATIC LATENT IMAGE, DEVELOPER AND IMAGE FORMING APPARATUS 有权用于开发静电图像，开发者和图像形成装置的载体公开(公告)号：US20140072910A1
公开(公告)日：2014-03-13
申请号：US13927744
申请日：2013-06-26
申请人： Hitoshi IWATSUKI , Shigenori Yaguchi , Toyoaki Tano , Mariko Takii , Koichi Sakata , Hiroyuki Kishida , Hiroshi Tohmatsu
发明人： Hitoshi IWATSUKI , Shigenori Yaguchi , Toyoaki Tano , Mariko Takii , Koichi Sakata , Hiroyuki Kishida , Hiroshi Tohmatsu
CPC分类号： G03G9/1139 , G03G9/1131 , G03G9/1136 , G03G9/1137
摘要： A carrier for developing an electrostatic latent image of the present invention includes a core material and a coating layer which coats the core material, wherein the coating layer includes a resin and fine particles, wherein the coating layer has an average layer thickness difference of 0.02 μm to 3.0 μm, and wherein the carrier for developing an electrostatic latent image has an arithmetic mean surface roughness Ra1 of 0.5 μm to 0.9 μm.
摘要翻译： 本发明的静电潜像显影用载体包括芯材和覆盖芯材的涂层，其中，涂层包含树脂和微粒，其中，涂层的平均层厚度差为0.02μm 至3.0μm，并且其中用于显影静电潜像的载体具有0.5μm至0.9μm的算术平均表面粗糙度Ra1。
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4.发明申请CARRIER FOR DEVELOPING ELECTROSTATIC LATENT IMAGE, AND TWO-COMPONENT DEVELOPER, SUPPLEMENTAL DEVELOPER, IMAGE FORMING APPARATUS, PROCESS CARTRIDGE, AND IMAGE FORMING METHOD USING THE CARRIER 有权用于开发静电影像的载体和两组分开发者，补充开发者，图像形成装置，工艺盒和使用载体的图像形成方法公开(公告)号：US20120064451A1
公开(公告)日：2012-03-15
申请号：US13226219
申请日：2011-09-06
申请人： Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
发明人： Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
CPC分类号： G03G15/08 , G03G9/1075 , G03G9/1131 , G03G9/1133 , G03G9/1139 , G03G2215/0607
摘要： A carrier comprising a magnetic core particle having a shape factor SF-2 of 130 to 160 and a resin layer covering a surface of the magnetic core particle. The resin layer comprises a conductive particle and a resin obtained by heating a copolymer comprising a silicon-containing A unit and another silicon-containing B unit having.
摘要翻译： 一种载体，其包含具有130至160的形状系数SF-2的磁芯颗粒和覆盖该磁芯颗粒的表面的树脂层。 树脂层包括导电颗粒和通过加热包含含硅A单元和另一含硅B单元的共聚物而获得的树脂。
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5.发明申请公开(公告)号：US20120058423A1
公开(公告)日：2012-03-08
申请号：US13181702
申请日：2011-07-13
申请人： Kimitoshi Yamaguchi , Shigenori Yaguchi , Hitoshi Iwatsuki , Mariko Takii , Toyoshi Sawada , Toyoaki Tano , Hiroshi Tohmatsu , Koichi Sakata , Hiroyuki Kishida , Saori Yamada
发明人： Kimitoshi Yamaguchi , Shigenori Yaguchi , Hitoshi Iwatsuki , Mariko Takii , Toyoshi Sawada , Toyoaki Tano , Hiroshi Tohmatsu , Koichi Sakata , Hiroyuki Kishida , Saori Yamada
CPC分类号： G03G9/1139 , G03G9/107 , G03G9/1136 , G03G2215/0609
摘要： A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit.
摘要翻译： 一种接触显影方法，包括通过旋转显影套筒和旋转图像承载部件上的静电潜像向设置在显影套筒内部的具有多个磁极的可旋转磁体提供双组分显影剂，以将静电潜像显影成调色剂 图片。 显影套筒和图像承载部件在相互面对的同时旋转。 双组分显影剂包括非磁性调色剂和载体。 载体包括磁芯颗粒和覆盖磁芯颗粒的树脂层。 树脂层包括导电颗粒和树脂。 导电粒子包括氧化铝基材料和覆盖氧化铝基材料的导电层。 树脂通过加热包含单体A单元和单体B单元的共聚物而获得。
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6.发明授权Carrier, developer, method of manufacturing carrier, developer container, image forming method, process cartridge, image forming apparatus, and supplemental developer 有权载体，显影剂，制造载体的方法，显影剂容器，成像方法，处理盒，成像装置和补充显影剂公开(公告)号：US08652735B2
公开(公告)日：2014-02-18
申请号：US13213633
申请日：2011-08-19
申请人： Koichi Sakata , Shigenori Yaguchi , Toyoshi Sawada , Kimitoshi Yamaguchi , Hitoshi Iwatsuki , Hiroshi Tohmatsu , Hiroyuki Kishida , Toyoaki Tano , Mariko Takii
发明人： Koichi Sakata , Shigenori Yaguchi , Toyoshi Sawada , Kimitoshi Yamaguchi , Hitoshi Iwatsuki , Hiroshi Tohmatsu , Hiroyuki Kishida , Toyoaki Tano , Mariko Takii
IPC分类号： G03G9/00
CPC分类号： G03G15/08 , G03G9/1131 , G03G9/1133 , G03G9/1139 , G03G2215/0602 , G03G2215/0607
摘要： A carrier including a magnetic core particle and a resin layer covering a surface of the magnetic core particle. The magnetic core particle is a ferrite particle including strontium in an amount of 0.005 to 3% by mass, measured by fluorescent X-ray spectroscopy. The resin layer comprises a resin obtained by heating a copolymer comprising a silicon-containing unit A and another silicon-containing specific unit B.
摘要翻译： 包括磁芯颗粒和覆盖磁芯颗粒表面的树脂层的载体。 磁芯颗粒是通过荧光X射线光谱法测量的包含0.005〜3质量％的锶的铁氧体颗粒。 树脂层包括通过加热包含含硅单元A和另一种含硅特定单元B的共聚物而获得的树脂。
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7.发明授权公开(公告)号：US08512928B2
公开(公告)日：2013-08-20
申请号：US13226219
申请日：2011-09-06
申请人： Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
发明人： Hiroyuki Kishida , Shigenori Yaguchi , Kimitoshi Yamaguchi , Toyoshi Sawada , Hiroshi Tohmatsu , Koichi Sakata , Hitoshi Iwatsuki , Toyoaki Tano , Mariko Takii
IPC分类号： G03G9/00
CPC分类号： G03G15/08 , G03G9/1075 , G03G9/1131 , G03G9/1133 , G03G9/1139 , G03G2215/0607
摘要： A carrier comprising a magnetic core particle having a shape factor SF-2 of 130 to 160 and a resin layer covering a surface of the magnetic core particle. The resin layer comprises a conductive particle and a resin obtained by heating a copolymer comprising a silicon-containing A unit and another silicon-containing B unit.
摘要翻译： 一种载体，其包含具有130至160的形状系数SF-2的磁芯颗粒和覆盖该磁芯颗粒的表面的树脂层。 树脂层包括导电颗粒和通过加热包含含硅A单元和另一含硅B单元的共聚物而获得的树脂。
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8.发明申请CARRIER, DEVELOPER, METHOD OF MANUFACTURING CARRIER, DEVELOPER CONTAINER, IMAGE FORMING METHOD, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND SUPPLEMENTAL DEVELOPER 有权承运人，开发商，制造运输方法，开发者容器，图像形成方法，过程盒，图像形成装置和补充开发者公开(公告)号：US20120057898A1
公开(公告)日：2012-03-08
申请号：US13213633
申请日：2011-08-19
申请人： Koichi Sakata , Shigenori Yaguchi , Toyoshi Sawada , Kimitoshi Yamaguchi , Hitoshi Iwatsuki , Hiroshi Tohmatsu , Hiroyuki Kishida , Toyoaki Tano , Mariko Takii
发明人： Koichi Sakata , Shigenori Yaguchi , Toyoshi Sawada , Kimitoshi Yamaguchi , Hitoshi Iwatsuki , Hiroshi Tohmatsu , Hiroyuki Kishida , Toyoaki Tano , Mariko Takii
CPC分类号： G03G15/08 , G03G9/1131 , G03G9/1133 , G03G9/1139 , G03G2215/0602 , G03G2215/0607
摘要： A carrier including a magnetic core particle and a resin layer covering a surface of the magnetic core particle. The magnetic core particle is a ferrite particle including strontium in an amount of 0.005 to 3% by mass, measured by fluorescent X-ray spectroscopy. The resin layer comprises a resin obtained by heating a copolymer comprising a silicon-containing unit A and another silicon-containing specific unit B.
摘要翻译： 包括磁芯颗粒和覆盖磁芯颗粒表面的树脂层的载体。 磁芯颗粒是通过荧光X射线光谱法测量的包含0.005〜3质量％的锶的铁氧体颗粒。 树脂层包括通过加热包含含硅单元A和另一种含硅特定单元B的共聚物而获得的树脂。
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9.发明授权公开(公告)号：US08652738B2
公开(公告)日：2014-02-18
申请号：US13181702
申请日：2011-07-13
申请人： Kimitoshi Yamaguchi , Shigenori Yaguchi , Hitoshi Iwatsuki , Mariko Takii , Toyoshi Sawada , Toyoaki Tano , Hiroshi Tohmatsu , Koichi Sakata , Hiroyuki Kishida , Saori Yamada
发明人： Kimitoshi Yamaguchi , Shigenori Yaguchi , Hitoshi Iwatsuki , Mariko Takii , Toyoshi Sawada , Toyoaki Tano , Hiroshi Tohmatsu , Koichi Sakata , Hiroyuki Kishida , Saori Yamada
CPC分类号： G03G9/1139 , G03G9/107 , G03G9/1136 , G03G2215/0609
摘要： A contact developing method including supplying a two-component developer to an electrostatic latent image on a rotating image bearing member by rotating a developing sleeve and a rotatable magnet having multiple magnetic poles provided inside the developing sleeve, to develop the electrostatic latent image into a toner image. The developing sleeve and the image bearing member rotate in the same direction while facing each other. The two-component developer comprises a non-magnetic toner and a carrier. The carrier comprises a magnetic core particle and a resin layer covering the magnetic core particle. The resin layer comprises a conductive particle and a resin. The conductive particle comprises an alumina-based material and a conductive layer covering the alumina-based material. The resin is obtained by heating a copolymer comprising a monomer A unit and a monomer B unit.
摘要翻译： 一种接触显影方法，包括通过旋转显影套筒和旋转图像承载部件上的静电潜像向设置在显影套筒内部的具有多个磁极的可旋转磁体提供双组分显影剂，以将静电潜像显影成调色剂 图片。 显影套筒和图像承载部件在相互面对的同时旋转。 双组分显影剂包括非磁性调色剂和载体。 载体包括磁芯颗粒和覆盖磁芯颗粒的树脂层。 树脂层包括导电颗粒和树脂。 导电粒子包括氧化铝基材料和覆盖氧化铝基材料的导电层。 树脂通过加热包含单体A单元和单体B单元的共聚物而获得。
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10.发明授权Carrier for developing an electrostatic latent image, developer and image forming apparatus 有权用于显影静电潜像，显影剂和图像形成装置的载体公开(公告)号：US09304427B2
公开(公告)日：2016-04-05
申请号：US13927744
申请日：2013-06-26
申请人： Hitoshi Iwatsuki , Shigenori Yaguchi , Toyoaki Tano , Mariko Takii , Koichi Sakata , Hiroyuki Kishida , Hiroshi Tohmatsu
发明人： Hitoshi Iwatsuki , Shigenori Yaguchi , Toyoaki Tano , Mariko Takii , Koichi Sakata , Hiroyuki Kishida , Hiroshi Tohmatsu
IPC分类号： G03G9/113
CPC分类号： G03G9/1139 , G03G9/1131 , G03G9/1136 , G03G9/1137
摘要： A carrier for developing an electrostatic latent image of the present invention includes a core material and a coating layer which coats the core material, wherein the coating layer includes a resin and fine particles, wherein the coating layer has an average layer thickness difference of 0.02 μm to 3.0 μm, and wherein the carrier for developing an electrostatic latent image has an arithmetic mean surface roughness Ra1 of 0.5 μm to 0.9 μm.
摘要翻译： 本发明的静电潜像显影用载体包括芯材和涂覆芯材的涂层，其中涂层包括树脂和细颗粒，其中涂层的平均层厚度差为0.02μm 至3.0μm，并且其中用于显影静电潜像的载体具有0.5μm至0.9μm的算术平均表面粗糙度Ra1。
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